A motorized bicycle is a bicycle with an attached motor used to power the vehicle, or to assist with pedaling. Sometimes classified as a motor vehicle, or a class of hybrid vehicle, motorized bicycles may be powered by different types of engines.
Whizzer bicycle engines are a line of bicycle engines that were produced in the United States from 1939 to 1965. They were commonly sold as kits to be assembled and attached to a consumer's bicycle thus creating a motorized bicycle. Whizzer U.S.A.
Whizzer is the name of two identical roller coasters built for the Marriott Corporation for each of their “Great America” parks at their debut in 1976.
Whizzer is the name of several fictional characters that appear in publications published by Marvel Comics. The first character debuted during the Golden Age in USA Comics #1 (Aug. 1941), and was reintroduced in Giant-Size Avengers #1 (Aug. 1974).
Schwinn Whizzer (19 0569)
Part of a Schwinn Whizzer, a motorised cycle - part of the Full Throttle exhibition at the Shelburne Museum, Vermont.
This example is fitted with colourful handlebar streamers.